Lucious Banana Pudding

Name: Lucious Banana Pudding
Ingredients: 2½ cups whole milk; ½ cup heavy cream; 2 tsp. vanilla bean paste or vanilla extract; 1 tsp. Diamond Crystal or ½ tsp. Morton kosher salt; 3 large egg yolks; 1 (14-oz.) can sweetened condensed milk; ⅓ cup cornstarch, sifted; 2 Tbsp. bourbon; 4 Tbsp. unsalted butter, cut into small pieces; 1 cup heavy cream; ¼ cup powdered sugar; 1 tsp. vanilla bean paste or vanilla extract; Pinch of kosher salt; 4 ripe (lightly browned in spots) medium bananas, peeled, sliced ½ thick; ½ (11-oz.) box Nilla Wafers (about 40 cookies); plus more whole and crushed cookies for topping